Remove prerelease string from .psd file.

Author: romahamu

src/HPCCache/HPCCache/Az.HPCCache.psd1

@@ -111,10 +111,10 @@ PrivateData = @{
         # IconUri = ''
 
         # ReleaseNotes of this module
-        ReleaseNotes = '* Preview of ''Az.HPCCache'' module'
+        ReleaseNotes = '* Public release of ''Az.HPCCache'' module'
 
         # Prerelease string of this module
-        Prerelease = 'preview'
+        # Prerelease = 'preview'
 
         # Flag to indicate whether the module requires explicit user acceptance for install/update/save
         # RequireLicenseAcceptance = $false